Dataset Groups Activity Stream Piano-midi.de Polyphonic music tasks characterized by multivariate time-series. The analysis is performed in terms of efficiency and prediction accuracy on 4 polyphonic music tasks. BibTex: @dataset{Claudio_Gallicchio_and_Alessio_Micheli_and_Luca_Pedrelli_2025, abstract = {Polyphonic music tasks characterized by multivariate time-series. The analysis is performed in terms of efficiency and prediction accuracy on 4 polyphonic music tasks.}, author = {Claudio Gallicchio and Alessio Micheli and Luca Pedrelli}, doi = {10.57702/h9skge3m}, institution = {No Organization}, keyword = {'Audio', 'Music', 'Sequence', 'multivariate time-series', 'polyphonic music'}, month = {jan}, publisher = {TIB}, title = {Piano-midi.de}, url = {https://service.tib.eu/ldmservice/dataset/piano-midi-de}, year = {2025} }